首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
如图所示，在烧杯中漂浮着一个正方体的木块，水面以下的部分看起来比水面以上的部分要大一些，这是因为烧杯和水起到了 透镜（选填“凸”或“凹”）的放大作用，从而形成了一个 像（选填“虚”或“实”）...
查看本题答案
包含此试题的试卷
教案备课库《2017年江苏省苏州市吴中区中考物理一模试卷》真题及答案
点击查看
你可能感兴趣的试题
如图所示一正方体木块漂浮在水面上木块重4N木块的下表面距水面4cm木块受到的浮力为N.木块体积是m3
如图所示边长为a的正方体木块漂浮在密度为ρ的液体中有2/5体积露出水面则木块的密度为木块的下表面受到
如图所示一个边长为10cm正方体木块漂浮在水面上此时它露出水面的高度是4cm求1木块受到的浮力2木块
如图所示将一个正方体木块各面均涂色然后将其沿图中所画线将其锯开得到同样的小正方体若干则在这些小正方体
将一块边长为10厘米的正方体木块投入水中木块有一半体积漂浮在水面上求木块受到水的浮力大小
如图所示在烧杯中漂浮着一个正方体的木块水面以下的部分看起来比水面以上的部分要大一些这是因为烧杯和水
如图所示在烧杯中漂浮着一个正方体的木块水面以下的部分看起来比水面以上的部分要大一些这是因为烧杯和水起
如图所示在水平桌面上的烧杯中漂浮着一个质量分布均匀的木块若将木块露出水面的部分截去取走那么
木块余下部分上浮，水对杯底压强变小
木块余下部分下沉，水对杯底压强变大
木块余下部分上浮，烧杯对桌面压强变大
木块余下部分不上浮也不下沉，烧杯对桌面压强不变
如图所示―个边长为10cm正方体木块漂浮在水面上此时它露出水面的高度是4cm求g取10N/kg1木块
如图所示将体积为0.001m3的密度均匀正方体木块放入盛有水的烧杯中待木块静止时其下表面距水面O.0
如图所示在烧杯中漂浮着一个正方体的木块水面以下的部分看起来比水面以上的部分要大一些这是因为烧杯和水
如图所示在水平桌面上的盛水容器中漂浮一个质量分布均匀的正方体木块若将木块露出水面的部分截去并取走那么
木块余下部分下沉，容器底所受水的压强增大;
木材余下部分上浮，容器底所受水的压强减小;
木块余下部分上浮，容器对桌面的压强不变;
木块余下部分不上浮也不下沉，容器对桌面的压强不变.
如图所示把体积为300cm3密度为0.8×103kg/m3的木块浸没在水中后放手木块先上浮最终漂浮于
木块漂浮时受到的浮力是3N
木块上浮过程中，露出水面前受到的浮力变小
木块浸没与木块漂浮时，水对容器底部的压力一样大
如果把漂浮木块露出水面部分切去，余下部分仍将漂浮
边长为10cm的正方体木块漂浮在水面上露出水面体积与浸在水中的体积比为23如图甲所示将木块从水中取出
如图3所示在一个足够大的水池中有一个边长为a的正方体均匀木块静止浮在水面上其体积的一半浸在水里.现竖
如图所示一个木块浮在容器中的水面上设想将木块露出水面的部分切去并取走那么:
剩下的部分木块会下沉，水对容器底的压强增大;
剩下的部分木块会上浮，水对容器底的压强减小;
如图所示将边长为10cm的正方体木块放入装有水的烧杯中木块静止时上表面距离水面4cmg取10N/kg
木块受到的浮力是4N
使木块完全浸没需要4N向下的压力
木块的密度为0.4g/cm3
木块底部受到水向上的压强为103Pa
如图所示—个体积为600cm3正方体木块漂浮在水面上此时它露出水面的体积为2×10-4m3求g取10
如图所示在烧杯中漂浮着一个正方体的木块水面以下的部分看起来比水面以上的部分要大一些这是因为烧杯和水
如图所示在烧杯中漂浮着一个正方体的木块水面以下的部分看起来比水面以上的部分要大一些这是因为烧杯和水起
热门试题
更多
Thescienceteachercleanedthebusyesterday.对画线部分提问 thescienceteacheryesterday?
WhenIsawBobforthefirsttimeIgotabig. A.surprise B.surprising C.surprised D.surprises
解不等式1≤|2x-1|＜2．
Thismorningmymothermeupatabout8o'clock.Iwaslateforschool.
解下列方程 |4x-3|-2=3x+4
therelotsofonthehill? A.Is;sheep B.Is;sheeps C.Are;sheeps D.Are;sheep
WeiHuaknowsonlyFrenchsoshewantstopracticemore. A.afew B.alittle C.little D.few
ThanksgivingisalwaysthefourthThursdayinNovember. A.in B.on C.at D.for
解下列不等式|2x-5|＞7
Weweretiredwestoppedtohavearest. A.too;to B.very;that C.so;that D.so;to
—Whatdidyoudoafterschoolyesterday? —Ibasketballwithmyfriends. A.play B.played C.willplay D.amplaying
That'swhyit'simportantlearn.
—Ithinkstudentsshouldhavemobilephonestocalltheirparents. —.Theyoftenusethemtoplaygamesinstead. A.Ihopeso B.Idon'tagree C.Noproblem D.Goodidea
—Whatcanshespeak? —ShecanspeakEnglishandChinese.
I'mCarol.Thereisaparknearmyhome.Ioftengototheparkwithmyfamily.Usuallyweplayballgamesflykitesanddomanyotherinterestingthings.Thereisacleanlakeinthepark.Wewenttherelastweekandhadagoodtime.Thismorningwewentthereagainwithmygrandparents.Myfathertaughtmehowtoswiminthelake.Mygrandparentswentboatinginthelake.Theyhadsomuchfun.AfterswimmingIwenttotakeashower.Itwasrelaxing.MymotherwasalittlesurprisedbecauseIdidn'tliketakingashowerathome!Weplayedintheparkforthreehoursandthenwewenttoarestaurantforlunch.Howhappywewere!根据短文内容回答下面的问题. 1.IstheparkfarawayfromCarol'shome?2.WheredidCarolgothismorning? 3.HowmanypeoplewenttherewithCarol? 4.WhotaughtCaroltoswiminthelake? 5.WheredidCarolandherfamilyhavelunch?
happytheboylooks! A.How B.Howa C.What D.Whata
astudentweshouldstudyhard.
解下列不等式|+|≤
Mostbusinessesareopenfivedaysaweek.Americanschoolchildrengotoschoolfivedaysaweekaswell.Americanfamiliesusuallyhaveatwo-dayweekend.TheweekendisSaturdayandSunday.Overtheweekendpeoplespendtheirtimeinmanydifferentways.Manyfamiliesenjoyweekendstogether.Theymaygoshoppinggoforadriveorvisitfriends.Theymayalsoinvitefriendsoverandhaveapartyathome.ManyAmericanfamiliestakepartinsportsduringtheweekend.Runningbikingplayingvolleyballandswimminginsummer.Skiingandskatingarefavoritewintersports.WeekendsarealsoatimeforAmericanfamiliestoworkonsomethingintheirhouses.Manyfamiliesplantflowersandhavevegetablegardens.Somefamiliesusetheweekendstopaintorrepairtheirhouses.FormostAmericansweekendsareverybusy.阅读短文选择正确答案. 1.Americanstudentgotoschool.A.fourdaysaweek B.fivedayseverymonthC.fivedaysaweek D.sixdaysaweek2.SaturdayandSundayarethe. A.weekendforChineseonly B.weekendforAmericans C.workdaysforAmericans D.daysforchildrentostudy 3.Whichofthefollowingisnotmentionedinthepassage?MostAmericanfamilies. A.plantflowersduringtheweekend B.invitefriendstohaveaparty C.watchTVduringtheweekend D.maygoshoppingduringtheweekend 4.TheAmericanareduringtheweekend. A.veryfree B.verylazy C.quitepoor D.busywiththeirownthings 5.arefavoritesportsinsummerforAmericans. A.Skatingandfootball B.Runningandbiking C.Skiingandvolleyball D.Swimmingandskating
Hundredsofyearsagolifewasmuchharderthanitistoday.Peopledidn’thavemodernmachines.Therewasnomodernmedicineeither.Lifetodayhasbroughtnewproblems.Oneofthebiggestispollution.Waterpollutionhasmadeourriversandlakesdirty.Itkillsourfishandpollutedourdrinkingwater.Noisepollutionmakesustalklouderandbecomeangrymoreeasily.Airpollutionisthemostseriouskindofpollution.It’sbadforallthelivingthingsintheworld.Carsplanesandfactoriesallpollutedairsothickthatitislikeaquilt被子overacity.Thiskindofquiltiscalledsmog烟雾.Manycountriesaremakingrulestofightpollution.Factoriesmustnowcleantheirwaterbeforeitisthrownawaytheymustn’tblowdirtysmokeintotheair.Weneedtodomanyotherthings.Wecanputwastethingsinthedustbinandnotthrowitontheground.Wecangotoworkbybusorwithourfriendsinthesamecar.Iftherearefewerpeopledrivingtherewillbelesspollution.Rulesarenotenough.Everypersonmusthelptofightpollution.阅读短文选择正确答案.1.Hundredsofyearsagolifewasmuchharderthanitistodaybecause. A.thereweren’tmanymodernmachines B.therewasnomodernmedicine C.BothAandB D.therewerenotmanypeople 2.What'sthebiggestproblemintoday'slife?A.Waterpollution. B.Airpollution. C.Noise. D.Pollution.3.Themostseriouskindofpollutionis. A.noisepollution B.airpollution C.waterpollution D.alloftheabove 4.Factoriesmustcleantheirwaterthrownaway. A.beforetheyare B.whentheyare C.afteritis D.beforeitis 5.Fromthepassageweknowthat. A.afewyearsagotherewasnosmogatall B.todaypeopledon’thavetotalktoeachotherinaloudvoice C.wecandrinkwaterfromthepollutedriversandlakes D.peoplearemakingrulesinordertofightpollution
—Canyouplayfootballwithus?—. A.SureIcan. B.Yesplease. C.NoIcouldn't. D.YesI'dlike.
ThanksforyourinvitationbutI'msosorryIcan'tgo.Ineedtomyyoungersisterathome. A.lookat B.lookup C.lookafter D.lookfor
Heopenedthedoorandgointotheroom.
—wastheweatherlikeinBeijing? —Itwasrainy. A.What B.How C.Where D.When
Jimmy'ssisterworksamathteacherinamiddleschool. A.at B.to C.like D.as
Mybrotherisasasme.Webothliketellingjokes. A.outgoing B.moreoutgoing C.mostoutgoing D.veryoutgoing
studentswenttocleanthestreetslastSunday. A.Twohundreds B.Twohundredsof C.Hundredsof D.Hundredof
解下列方程 |2x-1|+|x-2|=|x+1|
Theweatherwasbadlastweek.改为否定句 Theweatherbadlastweek.
—Whotheroomjustnow? —Mymother. A.cleans;cleaned B.cleaned;did C.cleaned;do D.clean;did
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
教案备课库
湘公网安备 43130202000226号